package co.edu.usbcali.unidad.presentation.backEndBeans;

import co.edu.usbcali.unidad.exceptions.*;
import co.edu.usbcali.unidad.modelo.*;
import co.edu.usbcali.unidad.modelo.dto.UsuarioDTO;
import co.edu.usbcali.unidad.presentation.businessDelegate.BusinessDelegatorView;
import co.edu.usbcali.unidad.utilities.*;

import com.icesoft.faces.async.render.RenderManager;
import com.icesoft.faces.async.render.Renderable;
import com.icesoft.faces.component.ext.HtmlCommandButton;
import com.icesoft.faces.component.ext.HtmlInputText;
import com.icesoft.faces.component.ext.HtmlSelectOneMenu;
import com.icesoft.faces.component.selectinputdate.SelectInputDate;
import com.icesoft.faces.context.DisposableBean;
import com.icesoft.faces.webapp.xmlhttp.FatalRenderingException;
import com.icesoft.faces.webapp.xmlhttp.PersistentFacesState;
import com.icesoft.faces.webapp.xmlhttp.RenderingException;
import com.icesoft.faces.webapp.xmlhttp.TransientRenderingException;

import java.math.BigDecimal;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Set;
import java.util.TimeZone;
import java.util.Vector;

import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import javax.faces.event.ActionEvent;
import javax.faces.event.ValueChangeEvent;
import javax.faces.model.DataModel;
import javax.faces.model.SelectItem;

public class UsuarioView extends DataSource implements Renderable,
DisposableBean {
	private HtmlInputText txtUsuContrasena;
	private HtmlInputText txtUsuLogin;
	private HtmlSelectOneMenu cmbEstCodigo_Estado;
	private HtmlInputText txtPerCedula_Persona;
	private HtmlSelectOneMenu cmbTipoUsuario;
	private HtmlInputText txtUsuCodigo;
	private HtmlCommandButton btnSave;
	private HtmlCommandButton btnModify;
	private HtmlCommandButton btnDelete;
	private HtmlCommandButton btnClear;
	private boolean renderDataTable;
	private boolean flag = true;
	private RenderManager renderManager;
	private PersistentFacesState state = PersistentFacesState.getInstance();
	private List<Usuario> usuario;
	private List<UsuarioDTO> usuarioDTO;
	private List<SelectItem> listTipoUsuario = new ArrayList<SelectItem>();
	private List<SelectItem> listEstado = new ArrayList<SelectItem>();

	public UsuarioView() {
		super("");
	}

	public void login(ActionEvent e) throws java.io.IOException {
		FacesContext.getCurrentInstance().getExternalContext().redirect(
				"/spring-authentication/j_spring_security_check?j_username="
				+ txtUsuLogin.getText() + "&j_password="
				+ txtUsuContrasena.getText());
	}

	public HtmlSelectOneMenu getCmbTipoUsuario() {
		try {
			List<TipoUsuario> list = BusinessDelegatorView
			.findByCriteriaInTipoUsuario(null, null, null);
			listTipoUsuario.clear();
			listTipoUsuario.add(new SelectItem(0, "Seleccione Tipo Usuario:"));

			for (TipoUsuario tipoUsuario : list) {
				listTipoUsuario.add(new SelectItem(tipoUsuario.getTpuCodigo(),
						tipoUsuario.getTpuNombre()));
			}
		} catch (Exception e) {
			// TODO: handle exception
		}
		return cmbTipoUsuario;
	}

	public void setCmbTipoUsuario(HtmlSelectOneMenu cmbTipoUsuario) {
		this.cmbTipoUsuario = cmbTipoUsuario;
	}

	public List<SelectItem> getListTipoUsuario() {
		return listTipoUsuario;
	}

	public void setListTipoUsuario(List<SelectItem> listTipoUsuario) {
		this.listTipoUsuario = listTipoUsuario;
	}

	public String action_clear() {
		txtUsuContrasena.setValue(null);
		txtUsuContrasena.setDisabled(true);
		txtUsuLogin.setValue(null);
		txtUsuLogin.setDisabled(true);
		cmbEstCodigo_Estado.setValue(null);
		cmbEstCodigo_Estado.setDisabled(true);
		txtPerCedula_Persona.setValue(null);
		txtPerCedula_Persona.setDisabled(true);
		cmbTipoUsuario.setValue(null);
		cmbTipoUsuario.setDisabled(true);
		txtUsuCodigo.setValue(null);
		txtUsuCodigo.setDisabled(false);
		btnSave.setDisabled(true);
		btnDelete.setDisabled(true);
		btnModify.setDisabled(true);
		btnClear.setDisabled(false);

		return "";
	}

	public void listener_txtId(ValueChangeEvent event) {
		if ((event.getNewValue() != null) && !event.getNewValue().equals("")) {
			Usuario entity = null;

			try {
				String usuCodigo = new String(txtUsuCodigo.getValue()
						.toString());
				entity = BusinessDelegatorView.getUsuario(usuCodigo);
			} catch (Exception e) {
				// TODO: handle exception
			}

			if (entity == null) {
				txtUsuContrasena.setDisabled(false);
				txtUsuLogin.setDisabled(false);
				cmbEstCodigo_Estado.setDisabled(false);
				txtPerCedula_Persona.setDisabled(false);
				cmbTipoUsuario.setDisabled(false);
				txtUsuCodigo.setDisabled(false);
				btnSave.setDisabled(false);
				btnDelete.setDisabled(true);
				btnModify.setDisabled(true);
				btnClear.setDisabled(false);
			} else {
				txtUsuContrasena.setValue(entity.getUsuContrasena());
				txtUsuContrasena.setDisabled(false);
				txtUsuLogin.setValue(entity.getUsuLogin());
				txtUsuLogin.setDisabled(false);
				cmbEstCodigo_Estado.setValue(entity.getEstado().getEstCodigo());
				cmbEstCodigo_Estado.setDisabled(false);
				txtPerCedula_Persona.setValue(entity.getPersona()
						.getPerCedula());
				txtPerCedula_Persona.setDisabled(false);
				cmbTipoUsuario.setValue(entity.getTipoUsuario().getTpuCodigo());
				cmbTipoUsuario.setDisabled(false);
				txtUsuCodigo.setValue(entity.getUsuCodigo());
				txtUsuCodigo.setDisabled(true);
				btnSave.setDisabled(true);
				btnDelete.setDisabled(false);
				btnModify.setDisabled(false);
				btnClear.setDisabled(false);
			}
		}
	}

	public String action_save() {
		try {
			BusinessDelegatorView.saveUsuario(FacesUtils
					.checkString(txtUsuCodigo), FacesUtils
					.checkString(txtUsuContrasena), FacesUtils
					.checkString(txtUsuLogin), FacesUtils
					.checkString(cmbEstCodigo_Estado), FacesUtils
					.checkString(txtPerCedula_Persona), FacesUtils
					.checkString(cmbTipoUsuario));
			FacesUtils.addInfoMessage(ZMessManager.ENTITY_SUCCESFULLYSAVED);
			action_clear();
		} catch (Exception e) {
			FacesUtils.addErrorMessage(e.getMessage());
		}

		return "";
	}

	public String action_delete() {
		try {
			BusinessDelegatorView.deleteUsuario(FacesUtils
					.checkString(txtUsuCodigo));
			FacesUtils.addInfoMessage(ZMessManager.ENTITY_SUCCESFULLYDELETED);
			action_clear();
		} catch (Exception e) {
			FacesUtils.addErrorMessage(e.getMessage());
		}

		return "";
	}

	public String action_modify() {
		try {
			BusinessDelegatorView.updateUsuario(FacesUtils
					.checkString(txtUsuCodigo), FacesUtils
					.checkString(txtUsuContrasena), FacesUtils
					.checkString(txtUsuLogin), FacesUtils
					.checkString(cmbEstCodigo_Estado), FacesUtils
					.checkString(txtPerCedula_Persona), FacesUtils
					.checkString(cmbTipoUsuario));
			FacesUtils.addInfoMessage(ZMessManager.ENTITY_SUCCESFULLYMODIFIED);
			action_clear();
		} catch (Exception e) {
			FacesUtils.addErrorMessage(e.getMessage());
		}

		return "";
	}

	public String action_modifyWitDTO(String usuCodigo, String usuContrasena,
			String usuLogin, String estCodigo_Estado, String perCedula_Persona,
			String tpuCodigo_TipoUsuario) throws Exception {
		try {
			BusinessDelegatorView.updateUsuario(usuCodigo, usuContrasena,
					usuLogin, estCodigo_Estado, perCedula_Persona,
					tpuCodigo_TipoUsuario);
			renderManager.getOnDemandRenderer("UsuarioView").requestRender();
			FacesUtils.addInfoMessage(ZMessManager.ENTITY_SUCCESFULLYMODIFIED);
		} catch (Exception e) {
			// renderManager.getOnDemandRenderer("UsuarioView").requestRender();
			FacesUtils.addErrorMessage(e.getMessage());
			throw e;
		}

		return "";
	}

	public List<Usuario> getUsuario() {
		if (flag) {
			try {
				usuario = BusinessDelegatorView.getUsuario();
				flag = false;
			} catch (Exception e) {
				flag = true;
				FacesUtils.addErrorMessage(e.getMessage());
			}
		}

		return usuario;
	}

	public boolean isFlag() {
		return flag;
	}

	public void setUsuario(List<Usuario> usuario) {
		this.usuario = usuario;
	}

	public boolean isRenderDataTable() {
		try {
			if (flag) {
				if (BusinessDelegatorView.findTotalNumberUsuario() > 0) {
					renderDataTable = true;
				} else {
					renderDataTable = false;
				}
			}

			flag = false;
		} catch (Exception e) {
			renderDataTable = false;
			e.printStackTrace();
		}

		return renderDataTable;
	}

	public DataModel getData() {
		state = PersistentFacesState.getInstance();

		if (onePageDataModel == null) {
			onePageDataModel = new LocalDataModel(pageSize);
		}

		return onePageDataModel;
	}

	/**
	 * This is where the Object data is retrieved from the database and returned
	 * as a list of objects for display in the UI.
	 */
	private DataPage<Usuario> getDataPage(int startRow, int pageSize) {
		// Retrieve the total number of objects from the database. This
		// number is required by the DataPage object so the paginator will know
		// the relative location of the page data.
		int totalNumberUsuario = 0;

		try {
			totalNumberUsuario = BusinessDelegatorView.findTotalNumberUsuario()
			.intValue();
		} catch (Exception e) {
			FacesUtils.addErrorMessage(e.getMessage());
		}

		// Calculate indices to be displayed in the ui.
		int endIndex = startRow + pageSize;

		if (endIndex > totalNumberUsuario) {
			endIndex = totalNumberUsuario;
		}

		try {
			usuario = BusinessDelegatorView.findPageUsuario(sortColumnName,
					sortAscending, startRow, endIndex - startRow);

			// Remove this Renderable from the existing render groups.
			// leaveRenderGroups();
		} catch (Exception e) {
			FacesUtils.addErrorMessage(e.getMessage());
		}

		// Add this Renderable to the new render groups.
		// joinRenderGroups();
		// Reset the dirtyData flag.
		onePageDataModel.setDirtyData(false);
		// This is required when using Hibernate. If the SessionManager is not
		// cleared or closed objects are cached and stale objects will show up
		// in the table.
		// This way, the detached objects are reread from the database.
		// This call is not required with Hibernate, which uses a Query Hint
		// to clear the l2 cache in the DAO.
		flag = true;

		return new DataPage<Usuario>(totalNumberUsuario, startRow, usuario);
	}

	public DataModel getDataDTO() {
		state = PersistentFacesState.getInstance();

		if (onePageDataModel == null) {
			onePageDataModel = new LocalDataModelDTO(pageSize);
		}

		return onePageDataModel;
	}

	/**
	 * This is where the Object data is retrieved from the database and returned
	 * as a list of objects for display in the UI.
	 */
	private DataPage<UsuarioDTO> getDataPageDTO(int startRow, int pageSize) {
		// Retrieve the total number of objects from the database. This
		// number is required by the DataPage object so the paginator will know
		// the relative location of the page data.
		int totalNumberUsuario = 0;

		try {
			totalNumberUsuario = BusinessDelegatorView.findTotalNumberUsuario()
			.intValue();
		} catch (Exception e) {
			FacesUtils.addErrorMessage(e.getMessage());
		}

		// Calculate indices to be displayed in the ui.
		int endIndex = startRow + pageSize;

		if (endIndex > totalNumberUsuario) {
			endIndex = totalNumberUsuario;
		}

		try {
			usuario = BusinessDelegatorView.findPageUsuario(sortColumnName,
					sortAscending, startRow, endIndex - startRow);

			if (Utilities.validationsList(usuario)) {
				usuarioDTO = new ArrayList<UsuarioDTO>();

				for (Usuario usuarioTmp : usuario) {
					UsuarioDTO usuarioDTO2 = new UsuarioDTO();
					usuarioDTO2.setUsuCodigo(usuarioTmp.getUsuCodigo()
							.toString());
					usuarioDTO2
					.setUsuContrasena((usuarioTmp.getUsuContrasena() != null) ? usuarioTmp
							.getUsuContrasena().toString()
							: null);
					usuarioDTO2
					.setUsuLogin((usuarioTmp.getUsuLogin() != null) ? usuarioTmp
							.getUsuLogin().toString()
							: null);
					usuarioDTO2.setEstCodigo_Estado((usuarioTmp.getEstado()
							.getEstCodigo() != null) ? usuarioTmp.getEstado()
									.getEstCodigo().toString() : null);
					usuarioDTO2.setPerCedula_Persona((usuarioTmp.getPersona()
							.getPerCedula() != null) ? usuarioTmp.getPersona()
									.getPerCedula().toString() : null);
					usuarioDTO2
					.setTpuCodigo_TipoUsuario((usuarioTmp
							.getTipoUsuario().getTpuCodigo() != null) ? usuarioTmp
									.getTipoUsuario().getTpuCodigo().toString()
									: null);
					usuarioDTO2.setUsuario(usuarioTmp);
					usuarioDTO2.setUsuarioView(this);
					usuarioDTO.add(usuarioDTO2);
				}
			}

			// Remove this Renderable from the existing render groups.
			leaveRenderGroups();
		} catch (Exception e) {
			FacesUtils.addErrorMessage(e.getMessage());
		}

		// Add this Renderable to the new render groups.
		joinRenderGroups();
		// Reset the dirtyData flag.
		onePageDataModel.setDirtyData(false);
		// This is required when using Hibernate. If the SessionManager is not
		// cleared or closed objects are cached and stale objects will show up
		// in the table.
		// This way, the detached objects are reread from the database.
		// This call is not required with Hibernate, which uses a Query Hint
		// to clear the l2 cache in the DAO.
		flag = true;

		return new DataPage<UsuarioDTO>(totalNumberUsuario, startRow,
				usuarioDTO);
	}

	protected boolean isDefaultAscending(String sortColumn) {
		return true;
	}

	/**
	 * This method is called when a render call is made from the server. Render
	 * calls are only made to views containing an updated record. The data is
	 * marked as dirty to trigger a fetch of the updated record from the
	 * database before rendering takes place.
	 */
	public PersistentFacesState getState() {
		onePageDataModel.setDirtyData();

		return state;
	}

	/**
	 * This method is called from faces-config.xml with each new session.
	 */
	public void setRenderManager(RenderManager renderManager) {
		this.renderManager = renderManager;
	}

	public void renderingException(RenderingException arg0) {
		if (arg0 instanceof TransientRenderingException) {
		} else if (arg0 instanceof FatalRenderingException) {
			// Remove from existing Customer render groups.
			leaveRenderGroups();
		}
	}

	/**
	 * Remove this Renderable from existing uiCustomerBeans render groups.
	 * OnDemandRenderers are named/created using the underlying Customer Number.
	 */
	private void leaveRenderGroups() {
		if (Utilities.validationsList(usuarioDTO)) {
			for (UsuarioDTO usuarioTmp : usuarioDTO) {
				renderManager.getOnDemandRenderer("UsuarioView").remove(this);
			}
		}
	}

	/**
	 * Add this Renderable to the new uiCustomerBeans render groups.
	 * OnDemandRenderers are named/created using the underlying Customer Number.
	 */
	private void joinRenderGroups() {
		if (Utilities.validationsList(usuarioDTO)) {
			for (UsuarioDTO usuarioTmp : usuarioDTO) {
				renderManager.getOnDemandRenderer("UsuarioView").add(this);
			}
		}
	}

	public void dispose() throws Exception {
	}

	public RenderManager getRenderManager() {
		return renderManager;
	}

	public void setState(PersistentFacesState state) {
		this.state = state;
	}

	public HtmlInputText getTxtUsuContrasena() {
		return txtUsuContrasena;
	}

	public void setTxtUsuContrasena(HtmlInputText txtUsuContrasena) {
		this.txtUsuContrasena = txtUsuContrasena;
	}

	public HtmlInputText getTxtUsuLogin() {
		return txtUsuLogin;
	}

	public void setTxtUsuLogin(HtmlInputText txtUsuLogin) {
		this.txtUsuLogin = txtUsuLogin;
	}

	public HtmlSelectOneMenu getCmbEstCodigo_Estado() {
		try {
			List<Estado> list = BusinessDelegatorView.findByCriteriaInEstado(
					null, null, null);
			listEstado.clear();
			listEstado.add(new SelectItem(0, "Seleccione el Estado"));

			for (Estado estado : list) {
				listEstado.add(new SelectItem(estado.getEstCodigo(), estado
						.getEstNombre()));
			}
		} catch (Exception e) {
			// TODO: handle exception
		}
		return cmbEstCodigo_Estado;

	}

	public void setCmbEstCodigo_Estado(HtmlSelectOneMenu cmbEstCodigoEstado) {
		cmbEstCodigo_Estado = cmbEstCodigoEstado;
	}

	public List<SelectItem> getListEstado() {
		return listEstado;
	}

	public void setListEstado(List<SelectItem> listEstado) {
		this.listEstado = listEstado;
	}

	public HtmlInputText getTxtPerCedula_Persona() {
		return txtPerCedula_Persona;
	}

	public void setTxtPerCedula_Persona(HtmlInputText txtPerCedula_Persona) {
		this.txtPerCedula_Persona = txtPerCedula_Persona;
	}

	public HtmlInputText getTxtUsuCodigo() {
		return txtUsuCodigo;
	}

	public void setTxtUsuCodigo(HtmlInputText txtUsuCodigo) {
		this.txtUsuCodigo = txtUsuCodigo;
	}

	public HtmlCommandButton getBtnSave() {
		return btnSave;
	}

	public void setBtnSave(HtmlCommandButton btnSave) {
		this.btnSave = btnSave;
	}

	public HtmlCommandButton getBtnModify() {
		return btnModify;
	}

	public void setBtnModify(HtmlCommandButton btnModify) {
		this.btnModify = btnModify;
	}

	public HtmlCommandButton getBtnDelete() {
		return btnDelete;
	}

	public void setBtnDelete(HtmlCommandButton btnDelete) {
		this.btnDelete = btnDelete;
	}

	public HtmlCommandButton getBtnClear() {
		return btnClear;
	}

	public void setBtnClear(HtmlCommandButton btnClear) {
		this.btnClear = btnClear;
	}

	public void setRenderDataTable(boolean renderDataTable) {
		this.renderDataTable = renderDataTable;
	}

	public void setFlag(boolean flag) {
		this.flag = flag;
	}

	public List<UsuarioDTO> getUsuarioDTO() {
		return usuarioDTO;
	}

	public void setUsuarioDTO(List<UsuarioDTO> usuarioDTO) {
		this.usuarioDTO = usuarioDTO;
	}

	public TimeZone getTimeZone() {
		return java.util.TimeZone.getDefault();
	}

	/**
	 * A special type of JSF DataModel to allow a datatable and datapaginator to
	 * page through a large set of data without having to hold the entire set of
	 * data in memory at once. Any time a managed bean wants to avoid holding an
	 * entire dataset, the managed bean declares this inner class which extends
	 * PagedListDataModel and implements the fetchData method. fetchData is
	 * called as needed when the table requires data that isn't available in the
	 * current data page held by this object. This requires the managed bean
	 * (and in general the business method that the managed bean uses) to
	 * provide the data wrapped in a DataPage object that provides info on the
	 * full size of the dataset.
	 */
	private class LocalDataModel extends PagedListDataModel {
		public LocalDataModel(int pageSize) {
			super(pageSize);
		}

		public DataPage<Usuario> fetchPage(int startRow, int pageSize) {
			// call enclosing managed bean method to fetch the data
			return getDataPage(startRow, pageSize);
		}
	}

	private class LocalDataModelDTO extends PagedListDataModel {
		public LocalDataModelDTO(int pageSize) {
			super(pageSize);
		}

		public DataPage<UsuarioDTO> fetchPage(int startRow, int pageSize) {
			// call enclosing managed bean method to fetch the data
			return getDataPageDTO(startRow, pageSize);
		}
	}
}
